From laboratory measurements, we know that a particular spectral line is formed by the rotation of the carbon monoxide molecule (co) and it appears at a wavelength of 2.6007 millimeters (mm). the spectrum of an interstellar cloud of gas shows the same co line appearing at a wavelength of 2.6008 mm. what can we conclude about the gas cloud?
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From laboratory measurements, we know that a particular spectral line is formed by the rotation of t...
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